diff --git a/include/device.h b/include/device.h
index 36da5d34..928ef3f8 100644
--- a/include/device.h
+++ b/include/device.h
@@ -54,9 +54,6 @@ typedef enum {
 #define NDevSetDirty(nd)	  set_ndev_flag(nd, Dirty)
 #define NDevClearDirty(nd)	clear_ndev_flag(nd, Dirty)
 
-/* Forward declaration. */
-struct ntfs_device_operations;
-
 /*
  * The ntfs device structure defining all operations needed to access the low
  * level device underlying the ntfs volume.
@@ -87,8 +84,6 @@ struct ntfs_device_operations {
 	int (*ioctl)(struct ntfs_device *dev, int request, void *argp);
 };
 
-extern struct ntfs_device_operations ntfs_device_default_io_ops;
-
 extern struct ntfs_device *ntfs_device_alloc(const char *name, const long state,
 		struct ntfs_device_operations *dops, void *private);
 extern int ntfs_device_free(struct ntfs_device *dev);